宁夏防护林网杨树天牛危害的分析与管理  

^THE ANALYSIS AND MANAGEMENT ON DAMAGED STATE BY THE POPLAR LONGICORN BEETLES IN SHELTER-FOREST IN NINGXIA

作　　者：邵崇斌[1] 董丽芬[1] 黄林[1] 张发国 郎杏茹 沙光福 王惠英 

机构地区：[1]西北林学院,宁夏森防站,青铜峡市林业局

出　　处：《陕西林业科技》1996年第4期33-37,共5页Shaanxi Forest Science and Technology

摘　　要：对青铜峡防护林天牛的危害，选择多指标进行了分类，并建立每类的判别函数，为杨树天牛害虫危害的监测和综合管理提供了科学的依据和手段。A dynamic cluster analysis was studied to know the damaged state type of Poplar longicorn beetles according to multi-index in Qingtongxia city and decision function,were set up for each type of damaged state,hence present the evidence for scientific management and monitoring population of Poplar longicorn beetles.

关 键 词：天牛 危害类型 判别函数 杨树 防护林 

分 类 号：S763.721.1[农业科学—森林保护学]